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Refactored line wrapping in Text constructor a bit

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This commit is contained in:
Phil Nash 2013-04-20 18:41:00 +01:00
parent d37a8e8f98
commit 97d99852a8
1 changed files with 16 additions and 16 deletions
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32
include/internal/catch_text.h
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@ -42,6 +42,7 @@ namespace Catch {
? _attr.initialIndent ? _attr.initialIndent
: _attr.indent; : _attr.indent;
std::string remainder = _str; std::string remainder = _str;
while( !remainder.empty() ) { while( !remainder.empty() ) {
assert( lines.size() < 1000 ); assert( lines.size() < 1000 );
std::size_t tabPos = std::string::npos; std::size_t tabPos = std::string::npos;
@ -57,40 +58,39 @@ namespace Catch {
width--; width--;
remainder = remainder.substr( 0, tabPos ) + remainder.substr( tabPos+1 ); remainder = remainder.substr( 0, tabPos ) + remainder.substr( tabPos+1 );
} }
if( width == remainder.size() ) { if( width == remainder.size() ) {
addLine( indent, remainder ); spliceLine( indent, remainder, width );
remainder = std::string();
} }
else if( remainder[width] == '\n' ) { else if( remainder[width] == '\n' ) {
addLine( indent, remainder.substr( 0, width ) ); spliceLine( indent, remainder, width );
if( width <= 1 || remainder.size() != 1 )
remainder = remainder.substr( 1 );
indent = _attr.indent; indent = _attr.indent;
if( width > 1 && width == remainder.size()-1 )
remainder = remainder.substr( width );
else
remainder = remainder.substr( width+1 );
} }
else { else {
pos = remainder.find_last_of( wrappableChars, width ); pos = remainder.find_last_of( wrappableChars, width );
if( pos != std::string::npos ) { if( pos != std::string::npos ) {
addLine( indent, remainder.substr( 0, pos ) ); spliceLine( indent, remainder, pos );
if( remainder[pos] == ' ' ) if( remainder[0] == ' ' )
pos++; remainder = remainder.substr( 1 );
remainder = remainder.substr( pos );
} }
else { else {
addLine( indent, remainder.substr( 0, width-1 ) + "-" ); spliceLine( indent, remainder, width-1 );
remainder = remainder.substr( width-1 ); lines.back() += "-";
} }
if( lines.size() == 1 ) if( lines.size() == 1 )
indent = _attr.indent; indent = _attr.indent;
if( tabPos != std::string::npos ) if( tabPos != std::string::npos )
indent += tabPos; indent += tabPos;
} }
}; }
} }
void addLine( std::size_t indent, std::string const& _line ) { void spliceLine( std::size_t _indent, std::string& _remainder, std::size_t _pos ) {
lines.push_back( std::string( indent, ' ' ) + _line ); lines.push_back( std::string( _indent, ' ' ) + _remainder.substr( 0, _pos ) );
_remainder = _remainder.substr( _pos );
} }
typedef std::vector<std::string>::const_iterator const_iterator; typedef std::vector<std::string>::const_iterator const_iterator;
const_iterator begin() const { return lines.begin(); } const_iterator begin() const { return lines.begin(); }